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Corrections & Amplifications

Jan. 6, 2017 8:47 p.m. ET

Fees for passively managed stock and bond funds fell more than fees for actively managed funds in 2016. Also, the average asset-weighted fee for actively managed stock mutual funds fell by 2.4% in 2016, the most severe decline since 2012, according to Morningstar Inc., and the average asset-weighted fee for actively managed bond funds fell 3.2%. Based on erroneous data, an article about mutual funds in Tuesday’s Year-End Review & Outlook section incorrectly stated that actively managed stock and bond funds cut fees more aggressively in 2016 than their passive counterparts. It also incorrectly said the average...